The pesticide industry knows all too well that nature quickly develops immunity to its chemical armoury. But a new study by scientists at the Instituto Gulbenkian de Ciencia (IGC) and the Faculty of Science of the University of Lisbon, in Portugal has shown that a species of worm can develop resistance to a common pesticide in just 20 generations, or 80 days.more...

The disappearance of Lohachara beneath the waters of the Bay of Bengal created the world’s first environmental refugees. Dan McDougall reports on other islanders in the Sundarbans delta who have no escape from the rising ocean. Photography by Robin Hammondmore...

It takes no more than a gentle nudge to push a man over the edge of a cliff, but it is almost impossible to haul him back before he hits the ground. Given that we show no sign of putting a stop to global warming, Peter Bunyard takes a look at what the future might holdmore...

Shrimp has always been associated with the small and the puny. Why then is this seemingly harmless crustacean inspiring angry protests throughout the developing world, and why have so many people died as a result? Dr Mike Shanahan investigatesmore...

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